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Tachypleus
Taxonomy
Tachypleus was named by Leach (1819) [Sepkoski's age data: T Mi R]. It is extant. It is the type genus of Tachypleinae.
It was assigned to Xiphosurida by Sepkoski (2002), Krzemiński et al. (2010); to Limulidae by Leach (1819), Bergström (1975), Lamsdell (2016), Lamsdell (2020), Dunlop et al. (2020); and to Tachypleinae by Størmer (1955), Dunlop et al. (2012), Bicknell et al. (2021).
It was assigned to Xiphosurida by Sepkoski (2002), Krzemiński et al. (2010); to Limulidae by Leach (1819), Bergström (1975), Lamsdell (2016), Lamsdell (2020), Dunlop et al. (2020); and to Tachypleinae by Størmer (1955), Dunlop et al. (2012), Bicknell et al. (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1819 | Tachypleus Leach |
| 1955 | Tachypleus Størmer p. 23 |
| 1975 | Tachypleus Bergström p. 303 |
| 2002 | Tachypleus Sepkoski |
| 2010 | Tachypleus Krzemiński et al. p. 133 |
| 2012 | Tachypleus Dunlop et al. p. 219 |
| 2016 | Tachypleus Lamsdell p. 189 |
| 2020 | Tachypleus Dunlop et al. p. 14 |
| 2020 | Tachypleus Lamsdell p. 26 |
| 2021 | Tachypleus Bicknell et al. p. 1544 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Tachypleus Leach 1819
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†Tachypleus decheni Zinken 1862
Tachypleus gigas Mueller 1785
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Invalid names: Limulus heterodactylus Latreille 1802 [synonym], Limulus latreillii Leach 1819 [synonym], Limulus macleaii Leach 1819 [synonym], Limulus moluccanus Latreille 1802 [synonym], Limulus viriscens Latreille 1806 [synonym], Tachypleus hoeveni Pocock 1902 [synonym]
†Tachypleus syriacus Woodward 1879
Tachypleus tridentatus Leach 1819
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Invalid names: Limulus longispina van der Hoeven 1838 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Bambach et al. 2007 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Cenomanian to the top of the Priabonian or 100.50000 to 33.90000 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | Lebanon | Limulus syriacus (216596) T. syriacus (60311 212873) | |
| Priabonian | Germany | Limulus decheni (216795) |